<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
     #id01{
		 width:700px;
		 height:150px;
		 background-color:#FC3;
		 margin-bottom:10px;
		}
	 #id02{
		 width:190px;
		 height:500px;
		 background-color:#06C;
		 float:left;
		 margin-right:10px;
		}
	 #id05{
		 width:300px;
		 height:500px;
		 background-color:#9FF;
		 float:left;
		 }
	 #id03{
		 width:190px;
		 height:500px;
		 background-color:#999;
		 float:left;
		 margin-left:10px;
		 margin-bottom:10px;
		}
	 #id04{
		 width:700px;
		 height:150px;
		 background-color:#966;
		 clear:both;
		}
	 #a00{
		 width:700px;
		 margin:auto;
		 }
</style>
</head>
<body>
<div id="a00">
<div id="id01">我不动</div>
<div id="id02">我往右浮动</div>
<div id="id05">中部</div>
<div id="id03">我往左浮动</div>
<div id="id04">底部</div>
</div>
</body>
</html>
